Abercrombie & Fitch is having a hard time proving in court that the Muslim headscarf worn by an employee who was fired in 2010 hurt the clothing company's sales…[W]hen a federal judge…pressed attorney Mark Knueve, who is representing Abercrombie, if he or any of his witnesses had financial records to show the woman's hijab hurt sales, Knueve said he didn't…The U.S. Equal Employment Opportunity Commission (EEOC) originally sued Abercrombie in 2011 on behalf of Hani Khan, the Muslim woman who says she was fired from a Hollister store in a California mall in 2010 because she wore a hijab to work. (Abercrombie owns Hollister.)…On Wednesday, Abercrombie spokesman Mackenzie Bruce told The Huffington Post the company does not discriminate based on religion and that it grants religious accommodations, including for hijabs, when such accommodations are considered "reasonable."…